Cita APA

Heilbroner, J., & Chalmers, M. 1. (1962). The happy birthday present. New York, N.Y.: Harper & Row, Publishers.

Citación estilo Chicago

Heilbroner, Joan, y Mary 1927- Chalmers. The Happy Birthday Present. New York, N.Y.: Harper & Row, Publishers, 1962.

Cita MLA

Heilbroner, Joan, y Mary 1927- Chalmers. The Happy Birthday Present. New York, N.Y.: Harper & Row, Publishers, 1962.